Caroline Wozniacki, derailed this year by an ankle injury which sent her career into a tailspin, and Anastasija Sevastova, who quit the sport three years ago, set up an unlikely US Open quarter-final face-off.
Caroline Wozniacki, derailed this year by an ankle injury which sent her career into a tailspin, and Anastasija Sevastova, who quit the sport three years ago, set up an unlikely US Open quarter-final face-off.
